| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in [art] past [adj] years | 647 |
|
| 2 | in [art] [adj] twenty years | 64 |
|
| 3 | [prep] [art] past twenty years | 54 |
|
| 4 | [prep] [art] past twenty years | 54 |
|
| 5 | in [art] past twenty [noun] | 13 |
|
| 6 | in [art] past twenty years | 13 |
|
| 7 | in [art] past twenty year | 13 |
|
| 8 | in [art] past twenty years | 13 |
|
| 9 | in [art] past twenty [noun pl] | 13 |
|
